Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Alan Glen Johnson — 3 Patents

SASantronics: 1 patents #2 of 9Top 25%
STSensor Technologies: 1 patents #7 of 11Top 65%
Raleigh, NC: #2,363 of 6,378 inventorsTop 40%
North Carolina: #14,708 of 45,564 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Alan Glen Johnson has been granted 3 US patents while listed as an inventor at Santronics. The first was granted in 1987 and the most recent in September 2003. Alan Glen Johnson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Alan Glen Johnson in Raleigh, NC, US.

Patents per Year

Patents granted per year, 1987 to 2003Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19872002: 1 patents20022003: 1 patents2003

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6621270 Method and apparatus for automated relay testing Frederic Thomas Cuddy, Phillip Morris Douglas 2003-09-16
6411108 Noncontact signal analyzer Philip Douglas, Brent Beamer 2002-06-25
4700350 Multiple phase CRC generator Phillip Douglas 1987-10-13